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CVE-2021-4326

24
FAUCET Score

CVE-2021-4326 describes a high-severity vulnerability in the Imperative framework, impacting Zowe CLI, where authenticated local users can execute arbitrary shell commands. This can occur through manipulated plugin install/update commands or maliciously crafted environment variables. With a CVSS score of 7.8 (High), successful exploitation grants high confidentiality, integrity, and availability impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.16.0, < 1.28.2CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:zowe:*:*:*:*:*:*:*:*
>= 2.0.0, < 2.5.0CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:zowe:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.3LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
17.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 52nd percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

npmpatch availablevia ghsa
Product: @zowe/imperativeFixed in: 5.7.1
npmpatch availablevia ghsa
Product: @zowe/imperativeFixed in: 4.18.10

Vendor Advisories (1)

npmGHSA-6q8m-42qq-64r7low

Imperative CLI vulnerable to Command Injection

Mar 1, 2023

References

github.com / zowe/imperative
Product